--- /dev/null
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/* dbus-server-unix.c Server implementation for Unix network protocols.
+ *
+ * Copyright (C) 2002, 2003, 2004 Red Hat Inc.
+ *
+ * Licensed under the Academic Free License version 2.1
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "dbus-internals.h"
+#include "dbus-server-unix.h"
+#include "dbus-server-socket.h"
+#include "dbus-transport-unix.h"
+#include "dbus-connection-internal.h"
+#include "dbus-sysdeps-unix.h"
+#include "dbus-string.h"
+
+/**
+ * @defgroup DBusServerUnix DBusServer implementations for UNIX
+ * @ingroup DBusInternals
+ * @brief Implementation details of DBusServer on UNIX
+ *
+ * @{
+ */
+
+/**
+ * Tries to interpret the address entry in a platform-specific
+ * way, creating a platform-specific server type if appropriate.
+ * Sets error if the result is not OK.
+ *
+ * @param entry an address entry
+ * @param server_p location to store a new DBusServer, or #NULL on failure.
+ * @param error location to store rationale for failure on bad address
+ * @returns the outcome
+ *
+ */
+DBusServerListenResult
+_dbus_server_listen_platform_specific (DBusAddressEntry *entry,
+ DBusServer **server_p,
+ DBusError *error)
+{
+ const char *method;
+
+ *server_p = NULL;
+
+ method = dbus_address_entry_get_method (entry);
+
+ if (strcmp (method, "unix") == 0)
+ {
+ const char *path = dbus_address_entry_get_value (entry, "path");
+ const char *tmpdir = dbus_address_entry_get_value (entry, "tmpdir");
+ const char *abstract = dbus_address_entry_get_value (entry, "abstract");
+
+ if (path == NULL && tmpdir == NULL && abstract == NULL)
+ {
+ _dbus_set_bad_address(error, "unix",
+ "path or tmpdir or abstract",
+ NULL);
+ return DBUS_SERVER_LISTEN_BAD_ADDRESS;
+ }
+
+ if ((path && tmpdir) ||
+ (path && abstract) ||
+ (tmpdir && abstract))
+ {
+ _dbus_set_bad_address(error, NULL, NULL,
+ "cannot specify two of \"path\" and \"tmpdir\" and \"abstract\" at the same time");
+ return DBUS_SERVER_LISTEN_BAD_ADDRESS;
+ }
+
+ if (tmpdir != NULL)
+ {
+ DBusString full_path;
+ DBusString filename;
+
+ if (!_dbus_string_init (&full_path))
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
+ }
+
+ if (!_dbus_string_init (&filename))
+ {
+ _dbus_string_free (&full_path);
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
+ }
+
+ if (!_dbus_string_append (&filename,
+ "dbus-") ||
+ !_dbus_generate_random_ascii (&filename, 10) ||
+ !_dbus_string_append (&full_path, tmpdir) ||
+ !_dbus_concat_dir_and_file (&full_path, &filename))
+ {
+ _dbus_string_free (&full_path);
+ _dbus_string_free (&filename);
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
+ }
+
+ /* Always use abstract namespace if possible with tmpdir */
+
+ *server_p =
+ _dbus_server_new_for_domain_socket (_dbus_string_get_const_data (&full_path),
+#ifdef HAVE_ABSTRACT_SOCKETS
+ TRUE,
+#else
+ FALSE,
+#endif
+ error);
+
+ _dbus_string_free (&full_path);
+ _dbus_string_free (&filename);
+ }
+ else
+ {
+ if (path)
+ *server_p = _dbus_server_new_for_domain_socket (path, FALSE, error);
+ else
+ *server_p = _dbus_server_new_for_domain_socket (abstract, TRUE, error);
+ }
+
+ if (*server_p != NULL)
+ {
+ _DBUS_ASSERT_ERROR_IS_CLEAR(error);
+ return DBUS_SERVER_LISTEN_OK;
+ }
+ else
+ {
+ _DBUS_ASSERT_ERROR_IS_SET(error);
+ return DBUS_SERVER_LISTEN_DID_NOT_CONNECT;
+ }
+ }
+ else
+ {
+ /* If we don't handle the method, we return NULL with the
+ * error unset
+ */
+ _DBUS_ASSERT_ERROR_IS_CLEAR(error);
+ return DBUS_SERVER_LISTEN_NOT_HANDLED;
+ }
+}
+
+/**
+ * Creates a new server listening on the given Unix domain socket.
+ *
+ * @param path the path for the domain socket.
+ * @param abstract #TRUE to use abstract socket namespace
+ * @param error location to store reason for failure.
+ * @returns the new server, or #NULL on failure.
+ */
+DBusServer*
+_dbus_server_new_for_domain_socket (const char *path,
+ dbus_bool_t abstract,
+ DBusError *error)
+{
+ DBusServer *server;
+ int listen_fd;
+ DBusString address;
+ char *path_copy;
+ DBusString path_str;
+
+ _DBUS_ASSERT_ERROR_IS_CLEAR (error);
+
+ if (!_dbus_string_init (&address))
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ return NULL;
+ }
+
+ _dbus_string_init_const (&path_str, path);
+ if ((abstract &&
+ !_dbus_string_append (&address, "unix:abstract=")) ||
+ (!abstract &&
+ !_dbus_string_append (&address, "unix:path=")) ||
+ !_dbus_address_append_escaped (&address, &path_str))
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto failed_0;
+ }
+
+ path_copy = _dbus_strdup (path);
+ if (path_copy == NULL)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto failed_0;
+ }
+
+ listen_fd = _dbus_listen_unix_socket (path, abstract, error);
+ _dbus_fd_set_close_on_exec (listen_fd);
+
+ if (listen_fd < 0)
+ {
+ _DBUS_ASSERT_ERROR_IS_SET (error);
+ goto failed_1;
+ }
+
+ server = _dbus_server_new_for_socket (&listen_fd, 1, &address);
+ if (server == NULL)
+ {
+ dbus_set_error (error, DBUS_ERROR_NO_MEMORY, NULL);
+ goto failed_2;
+ }
+
+ _dbus_server_socket_own_filename(server, path_copy);
+
+ _dbus_string_free (&address);
+
+ return server;
+
+ failed_2:
+ _dbus_close_socket (listen_fd, NULL);
+ failed_1:
+ dbus_free (path_copy);
+ failed_0:
+ _dbus_string_free (&address);
+
+ return NULL;
+}
+
+/** @} */
+
projects / monky / blobdiff